00340nam a2200109   4500001000700000100004100007101000800048200004200056461007700098606003000175606002500205369029  a20001124u           y0pory50      ba  aeng  aThe polygraph as an investigative aid  cOttawad1983vV.45,n.9tRoyal Canadian Mounted Police Gazettex0826-9556  aINVESTIGAÇÃO CRIMINAL  aDETECTOR DE MENTIRAS